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ISCAR • Technical Turning
456

Chipbreakers For positive & Negative geometries

Depth Depth
[In) [mm) [In) [mm)
(1.) 2.8
(27.) 7
(09.) 2.4
(23.) 6
(07.) 2 WF
(2.) 5
(06.) 1.6 F3P (15.) 4 GN M3P
Chipbreaking
Range Chipbreaking
(04.) 1.2 (1.) 3 Range
(03.) 0.8 (08.) 2
SF NF TF PP
(01.) 0.4 (04.) 1
[Feed [mm/rev
F3P 0.05 0.1 (004.) 0.15 0.2 (008.) 0.25 (01.) [Feed [mm/rev M3P 0.25 (01.) 0.3 (012.) 0.35 0.4 (016.) 0.45 (018.) 0.5 (02.) (Ipr)
(Ipr)
(014.)
(006.)
(002.)
SF TF
WF Finishing Range Definition: GN Medium Range Definition:
AP=0.25-2.5mm (.01 -.1in)
AP=0.5-6mm (0.2-.23in)
NF F=0.05-0.3mm/rev (.002-.012in) PP F=0.15-0.6mm/rev (.006-.024ipr)
Chipbreakers For Positive Inserts:
SM Chipformer PF Chipformer
Finishing and boring applications. Used for super finishing and finishing applications,
Feed range: 0.06-0.25 mm/rev. mainly on positive inserts.
DOC 0.5-2.5 mm. Feed range: 0.03-0.20 mm/rev.
1.8 DOC 0.25-3.0 mm. 1.6
0.07 0.7 0.15
18˚ 7˚

Finishing Chipbreakers:
NF Chipformerp 4º 1.42
Double-sided for semi-finishing and finishing. Low cutting forces 0.4
due to very sharp edge and positive rake.

Medium Chipbreakers:
TF ChipformerCp o e
Double-sided, positive rake angles to prevent strain hardening.
Rake angle varies along the edge to negative in order to
prevent chipping. Special design reduces cratering. Used for
carbon and alloy steel, stainless steel and high-temp alloys.

GN Chipformer PP Chipformer
Double-sided for general application. Double-sided, very positive rake, sharp and positive-radial
Secure cutting edge. For medium and semi-roughing on edge. For heat-resistant alloys, stainless steel, aluminum alloys,
steel and cast iron. and soft, low carbon steel.

Chipbreakers For Roughing:

TNM Chipformer NR Chipformer
Double-sided trigon for roughing applications. Double-sided for roughing applications;

Feed range from 0.25 to 0.65 mm/rev. Feed range 0.25 mm/rev to 0.8 mm/rev.
Depth of cut from 2.9 3.7 Depth of cut from 2.00 mm 3

2 to 7 mm. to 10.0 mm. 0.4 11˚
8.5˚